Sabres rookie Brennan replaces struggling Leopold

‘“I didn’t have a real good day because I know we could’ve easily won that game,” Leopold said about the Sabres’ 4-3 loss to Pittsburgh. “I’ve played a lot of games in the league. … That’s a blown coverage. Of course, you say it’s a five-man group. But that’s a pretty easy read for me and didn’t end up making it. That’s not the first time this year. It’s happened a couple times.”‘